The United States tried very hard not to be involved in the war. At first all they did was help out their allies with food and other supplies. They didn't actively join the war until December 7, 1941 when Japan bombed pearl harbor. They officially declared war against Japan and soon after Germany.
Answer:
1. Slaves were able to complete any task that required manual labor
2. Enslaving people was extremely profitable as you don't pay slaves a salary.
3. With the increase and advancement in technology, the need for slaves went up, as manual labor also increased.
Explanation:
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Just put a name of one of the songs then say how it relates
The answer is b. continental break-up. During this time, the continents began to
form and also separate in different areas. It was also the time of mammals as
dinosaurs were now extinct, mammals began to flourish in the earth. The climate
was now cooling down during this period.